Home / 7,756.04-11,633.85-1,912.70

Finding the Fourth Proportional to 7,756.04, 11,633.85 and 1,912.70

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Solution

The fourth proportional to 7,756.04, 11,633.85 and 1,912.70 is: 2,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.04 : 11,633.85 = 1,912.70 : x
  2. Step 2: Convert to fraction form
    7,756.04/11,633.85 = 1,912.70/x
  3. Step 3: Cross multiply
    7,756.04x = 11,633.85 × 1,912.70
  4. Step 4: Simplify right side
    7,756.04x = 22,252,064.90
  5. Step 5: Solve for x
    x = 22,252,064.90/7,756.04
  6. Step 6: Final answer
    x = 2,869.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.